Investment Securities Summary of Gains and Losses from Equity and Debt Securities, and Losses from Other-than-Temporary Impairment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Gain (Loss) on Securities [Line Items]
Gross Realized Gains	$ 1,587	$ 35,593	$ 6,545
Gross Realized Losses	(1,614)	(2,077)	(3,492)
Net  Gains (Losses)	$ (27)	$ 33,516	$ 3,053